---
title: base
sidebarTitle: base
---

# `prefect.settings.base`

## Functions

### `build_settings_config` <sup><a href="https://github.com/PrefectHQ/prefect/blob/main/src/prefect/settings/base.py#L249" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>

```python
build_settings_config(path: tuple[str, ...] = tuple(), frozen: bool = False) -> PrefectSettingsConfigDict
```

## Classes

### `PrefectBaseSettings` <sup><a href="https://github.com/PrefectHQ/prefect/blob/main/src/prefect/settings/base.py#L31" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>

**Methods:**

#### `ser_model` <sup><a href="https://github.com/PrefectHQ/prefect/blob/main/src/prefect/settings/base.py#L167" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>

```python
ser_model(self, handler: SerializerFunctionWrapHandler, info: SerializationInfo) -> Any
```

#### `settings_customise_sources` <sup><a href="https://github.com/PrefectHQ/prefect/blob/main/src/prefect/settings/base.py#L33" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>

```python
settings_customise_sources(cls, settings_cls: type[BaseSettings], init_settings: PydanticBaseSettingsSource, env_settings: PydanticBaseSettingsSource, dotenv_settings: PydanticBaseSettingsSource, file_secret_settings: PydanticBaseSettingsSource) -> tuple[PydanticBaseSettingsSource, ...]
```

Define an order for Prefect settings sources.

The order of the returned callables decides the priority of inputs; first item is the highest priority.

See https://docs.pydantic.dev/latest/concepts/pydantic_settings/#customise-settings-sources


#### `to_environment_variables` <sup><a href="https://github.com/PrefectHQ/prefect/blob/main/src/prefect/settings/base.py#L124" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>

```python
to_environment_variables(self, exclude_unset: bool = False, include_secrets: bool = True, include_aliases: bool = False) -> dict[str, str]
```

Convert the settings object to a dictionary of environment variables.


### `PrefectSettingsConfigDict` <sup><a href="https://github.com/PrefectHQ/prefect/blob/main/src/prefect/settings/base.py#L214" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>


Configuration for the behavior of Prefect settings models.

